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PTC Integrated sensor

A technology that integrates sensors, sensing

Inactive Publication Date: 2015-07-22
FOSHAN CHUANDONG MAGNETOELECTRICITY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This structural setting leads to the fixed connection of each working part with the mounting plate, and the pressure of the inner pot drives the selection, and then produces up and down movements to realize no pot and detection. The continuous bending and extension of the lead wires of the working parts will easily cause the problem of poor contact at each node.
The unreasonable setting of the overall structure of the existing sensor leads to low integration, high assembly accuracy requirements and low assembly efficiency between components

Method used

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Embodiment Construction

[0032] The present invention will be further described below in conjunction with the accompanying drawings.

[0033] Such as Figure 1-2 As shown, a kind of PTC integrated sensor described in the present invention comprises base 1, and sensor component is arranged in base 1, and the upper end of described base 1 is provided with the loam cake 11 that moves independently relatively with it, and base 1 and loam cake 11 is provided with a compression spring 12, and the upper cover 11 is in contact with the sensing part in the base 1 during the downward stroke; ; The heat holding device includes a PTC heating source 2, which is provided with two positive and negative electrodes 21, the PTC heating source 2 and the upper cover 11 are set in cooperation and the PTC heating source 2 is connected to the overheated electrode 21 by the PTC heating source 2. The power-off device is connected in parallel; the PTC integrated sensor is loaded on the liquid heater, and when the inner pot is...

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PUM

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Abstract

The invention relates to the technical field of temperature control sensors, in particular to a PTC integrated sensor. The PTC integrated sensor comprises a base. A sensing component is arranged in the base. The upper end of the base is sleeved with an upper cover which independently acts relative to the base. A compression spring is arranged between the base and the upper cover. The upper cover is in abutting linkage with the sensing component in the base in the downward-pressing process. The sensing component comprises an overheating power-off device provided with a heat keeping device. According to the PTC integrated sensor, when the temperature rise of an inner pot exceeds a thermistor set value, a main control panel circuit is switched off to achieve power-off protection; a heating circuit can be switched off when a contact piece deforms, at the moment, the PTC heating source heats a temperature sensing piece, and the power-off state is kept to prevent the problem that the contact piece is cooled and connected with the heating circuit again; a fusing core is directly molten through high temperature, and the heating circuit is switched off with force to achieve final protection; the temperature sensing piece and an insulation support are used as stress reaction components, the off-line problem of lead welding points is reduced, and the sensor is high in overall integration, convenient to maintain and stable to trigger and is perfectly protected.

Description

technical field [0001] The invention relates to the technical field of temperature control sensors, in particular to a PTC integrated sensor. Background technique [0002] Chinese patent CN201422761Y discloses a micro switch type anti-dry device, including a mounting cup, a micro switch and a switch support plate, the micro switch is set in the mounting cup, the mounting cup is installed on the switch support plate, and installed There is a return spring between the cup and the switch support plate, and the switch support plate is fixed on the installation base. When the cup is released, the heating circuit is disconnected. [0003] This structural setting leads to the fixed connection of each working part with the mounting plate, and the pressure of the inner pot drives the selection, and then produces up and down movements to realize no pot and detection. The continuous bending and extension of the lead wires of the working parts will easily cause the problem of poor cont...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A47J36/00A47J36/24
Inventor 刘利龙克文
Owner FOSHAN CHUANDONG MAGNETOELECTRICITY
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